Joao Fonseca of Brazil celebrates after defeating Andrey Rublev of Russia in their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 14, 2025.

Brazil's Joao Fonseca displayed an ice-cool temperament to overcome a partisan crowd and a couple of rocky moments in his confident 6-4 6-1 7-6(5) win over Briton Jacob Fearnley as temperatures ...

MELBOURNE, Australia (AP) — João Fonseca definitively introduced himself to the world as the latest teen sensation in men’s tennis on Tuesday night, upsetting No. 9 seed Andrey Rublev 7-6 (1 ...

Joao Fonseca of Brazil celebrates after defeating Andrey Rublev of Russia in their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 14, 2025.

Joao Fonseca of Brazil celebrates after defeating Andrey Rublev of Russia in their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 14, 2025.

Joao Fonseca of Brazil celebrates after defeating Andrey Rublev of Russia in their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 14, 2025.